2201
Technology / String around the earth!!
« on: 27/03/2008 12:00:11 »
Circumference(C) = 2πR
Increase by 1m =>
C+1 = 2π(R+x) where x is the increase in radius (how much it would be above the ground)
so 2πR+1 = 2π(R+x)
x = 1/(2π) = 15.9154943 cm (approx)
No need to know the size of the earth
Increase by 1m =>
C+1 = 2π(R+x) where x is the increase in radius (how much it would be above the ground)
so 2πR+1 = 2π(R+x)
x = 1/(2π) = 15.9154943 cm (approx)
No need to know the size of the earth